The 2023 Duramax engines, including the 3.0-liter inline-six, have seen power and torque improvements, making them a great option for those seeking a diesel engine in a light truck or SUV application.

The all new 3.0-liter inline-six Duramax is a great pickup truck engine, that is torque rich and efficient.

Duramax 3.0-Liter LM2 Performance and Towing The 3.0-liter Duramax diesel made 277 horsepower and 460 lb-ft of torque; 95 percent of peak torque happened at 1,250 rpm.